Nice article about Linux kernel development, the most interesting to me is the section “Why Companies Support Kernel Development”:

The list of companies participating in Linux kernel development includes many of the most successful technology firms in existence. None of these companies are supporting Linux development as an act of charity; in each case, these companies find that improving the kernel helps them to be more competitive in their markets.

and here is a list of companies supporting the development, and their contribution:

Thanks for all the individuals, and companies participating in the best OS ever (after FreeBSD that is 🙂 )